performance(User): add db_index on User.public_id

fix: code style

itou/users/migrations/0009_alter_user_public_id.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.0.6 on 2024-07-08 15:09
+import uuid
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("users", "0008_fix_user_public_id"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="user",
+            name="public_id",
+            field=models.UUIDField(
+                db_index=True, default=uuid.uuid4, unique=True, verbose_name="identifiant public opaque, pour les API"
+            ),
+        ),
+    ]

itou/users/models.py

@@ -267,6 +267,7 @@ class User(AbstractUser, AddressMixin):
         verbose_name="identifiant public opaque, pour les API",
         default=uuid.uuid4,
         unique=True,
+        db_index=True,
     )
 
     address_filled_at = models.DateTimeField(